Interesting game. The pixel art is fantastic, I like your style. However the gameplay feels slow, not inovative+it didn't felt like it fit the game.
Haven't played for too long yet, you'll get a somewhat more detailed review of me soon.

Hay buddy,
i have already played this game now try to upload some new versions. Also i have to mention that i have just played some shooter games which are most played game online. you all can try it by your own.
Here are two links for download.
check it out.